Home / 87,246.35-130,870.21-47,781.94

Finding the Fourth Proportional to 87,246.35, 130,870.21 and 47,781.94

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Solution

The fourth proportional to 87,246.35, 130,870.21 and 47,781.94 is: 71,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.35 : 130,870.21 = 47,781.94 : x
  2. Step 2: Convert to fraction form
    87,246.35/130,870.21 = 47,781.94/x
  3. Step 3: Cross multiply
    87,246.35x = 130,870.21 × 47,781.94
  4. Step 4: Simplify right side
    87,246.35x = 6,253,232,194.83
  5. Step 5: Solve for x
    x = 6,253,232,194.83/87,246.35
  6. Step 6: Final answer
    x = 71,673.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.